Skip to main content
. Author manuscript; available in PMC: 2011 Apr 1.
Published in final edited form as: Bioorg Med Chem Lett. 2010 Feb 13;20(7):2137–2139. doi: 10.1016/j.bmcl.2010.02.043

Figure 1.

Figure 1

Synthetic routes for: A. Upper rim modifications, mono-t-butyl-5-aminoisophthalate. B. Lower rim n-butyl modifications on compounds 1, 2 and 4–7. C. Lower rim benzylated compound 10 and tetrahydroxy calix[4]arene 8. D. Compounds 9 and 11.